RHSA-2026:1236MediumCVSS 7.8

Red Hat Security Advisory: kernel security update

Published
January 26, 2026
Last Modified
June 30, 2026

🔗 CVE IDs covered (7)

CVE-2025-21815 →CVE-2025-37761 →CVE-2025-37789 →CVE-2025-37819 →CVE-2025-37891 →CVE-2025-40154 →CVE-2025-40277 →

📋 Description

CVE-2025-21815 — kernel: mm/compaction: fix UBSAN shift-out-of-bounds warning CVE-2025-37761 — kernel: Linux kernel drm/xe: Out-of-bounds shift in TLB invalidation CVE-2025-37789 — kernel: Linux kernel (openvswitch): Denial of Service and limited data exposure via improper key length validation CVE-2025-37819 — kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability CVE-2025-37891 — kernel: Linux kernel: ALSA: ump buffer overflow via malformed UMP SysEx message CVE-2025-40154 — kernel: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping CVE-2025-40277 — kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

🔗 References (10)